I've been sitting on this for 2-3 weeks now. It started out as an excercise where I don't think ahead and I just draw, but as usual I started overthinking, and ended up experimenting with textures using soft pastels and a brush...And that's where I got stuck because afterwards, it was as if I woke up from a trance and said, "Oh, where was I going with this?" I'm sure you know the feeling :)
Close-up so you can see the brushwork.
I'm not feeling the blue on our right side of her face, but now that I'm looking at a picture of my drawing (and it doesn't look too bad), I have some ideas about where to go.